def _make_bilinear_weights(self, size, num_channels): factor = (size + 1) // 2 # 向下取整 if size % 2 == 1: center = factor - 1 else: center = factor - 0.5 og = np.ogrid[:size, :size] # 建立网格？ filt = (1 - abs(og[0] - center) / factor) * (1 - abs(og[1] - center) / factor) filt = torch.from_numpy(filt) w = torch.zeros(num_channels, num_channels, size, size) w.requires_grad = False for i in range(num_channels): for j in range(num_channels): if i == j: w[i, j] = filt return w

bilinear_size_update.rar_bilinear

"bilinear_size_update.rar_bilinear"这个标题暗示了我们正在讨论一个与双线性插值相关的代码或者算法实现，可能是通过更新图像尺寸来应用此方法。描述中的“函数调用方便”提示这是一个易于使用的函数或者脚本，...

duomeiti.rar_bicubic matlab_bicubic.m_bilinear.m

在给定的压缩包"duomeiti.rar"中，包含了三个MATLAB文件：bicubic.m、bilinear.m和nearest.m，这些都是与图像处理相关的脚本，特别是涉及到图像重采样技术。MATLAB是一种强大的数学计算环境，常用于科学计算、数据...

def init(self, in_channels, out_channels, bilinear=True): super().init() # 如果是双线性的，使用正常卷积来减少通道的数量 if bilinear: # scale_factor: 指定输出大小为输入的多少倍数 # mode: 可使用的上采样算法 # align_corners为True: 输入的角像素将与输出张量对齐，因此将保存下来这些像素的值 self.up = nn.Upsample(scale_factor=2, mode='bilinear', align_corners=True) else: # nn.ConvTranspose2d: 是反卷积，对卷积层进行上采样，使其回到原始图片的分辨率 # self.up = nn.ConvTranspose2d(in_channels // 2, in_channels // 2, kernel_size=2, stride=2) self.up = nn.ConvTranspose2d(in_channels, out_channels, kernel_size=2, stride=2)

如果 bilinear 参数为 True，则使用双线性插值的方式进行上采样；否则使用反卷积的方式进行上采样。在 U-Net 中，这个模块会被用于多次上采样，以便将不同尺度的特征图拼接在一起，得到最终的输出。

# New module: utils.pyimport torchfrom torch import nnclass ConvBlock(nn.Module): """A convolutional block consisting of a convolution layer, batch normalization layer, and ReLU activation.""" def init(self, in_chans, out_chans, drop_prob): super().init() self.conv = nn.Conv2d(in_chans, out_chans, kernel_size=3, padding=1) self.bn = nn.BatchNorm2d(out_chans) self.relu = nn.ReLU(inplace=True) self.dropout = nn.Dropout2d(p=drop_prob) def forward(self, x): x = self.conv(x) x = self.bn(x) x = self.relu(x) x = self.dropout(x) return x# Refactored U-Net modelfrom torch import nnfrom utils import ConvBlockclass UnetModel(nn.Module): """PyTorch implementation of a U-Net model.""" def init(self, in_chans, out_chans, chans, num_pool_layers, drop_prob, pu_args=None): super().init() PUPS.init(self, pu_args) self.in_chans = in_chans self.out_chans = out_chans self.chans = chans self.num_pool_layers = num_pool_layers self.drop_prob = drop_prob # Calculate input and output channels for each ConvBlock ch_list = [chans] + [chans 2 ** i for i in range(num_pool_layers - 1)] in_chans_list = [in_chans] + [ch_list[i] for i in range(num_pool_layers - 1)] out_chans_list = ch_list[::-1] # Create down-sampling layers self.down_sample_layers = nn.ModuleList() for i in range(num_pool_layers): self.down_sample_layers.append(ConvBlock(in_chans_list[i], out_chans_list[i], drop_prob)) # Create up-sampling layers self.up_sample_layers = nn.ModuleList() for i in range(num_pool_layers - 1): self.up_sample_layers.append(ConvBlock(out_chans_list[i], out_chans_list[i + 1] // 2, drop_prob)) self.up_sample_layers.append(ConvBlock(out_chans_list[-1], out_chans_list[-1], drop_prob)) # Create final convolution layer self.conv2 = nn.Sequential( nn.Conv2d(out_chans_list[-1], out_chans_list[-1] // 2, kernel_size=1), nn.Conv2d(out_chans_list[-1] // 2, out_chans, kernel_size=1), nn.Conv2d(out_chans, out_chans, kernel_size=1), ) def forward(self, x): # Down-sampling path encoder_outs = [] for layer in self.down_sample_layers: x = layer(x) encoder_outs.append(x) x = nn.MaxPool2d(kernel_size=2)(x) # Bottom layer x = self.conv(x) # Up-sampling path for i, layer in enumerate(self.up_sample_layers): x = nn.functional.interpolate(x, scale_factor=2, mode='bilinear', align_corners=True) x = torch.cat([x, encoder_outs[-(i + 1)]], dim=1) x = layer(x) # Final convolution layer x = self.conv2(x) return x

1. 将 ConvBlock 提取到了 utils.py 中，以便在 U-Net 中复用。 2. 在 U-Net 模型的 forward 方法中，使用了 ModuleList 对 down-sampling 和 up-sampling 层进行了封装，使得代码更加简洁和易于扩展。 3. 使用了 ...

def forward(self, x, flow, scale): if scale != 1: x = F.interpolate(x, scale_factor = 1. / scale, mode="bilinear", align_corners=False) if flow != None: flow = F.interpolate(flow, scale_factor = 1. / scale, mode="bilinear", align_corners=False) * 1. / scale x = torch.cat((x, flow), 1) x = self.conv0(x) x = self.convblock(x) + x tmp = self.lastconv(x) tmp = F.interpolate(tmp, scale_factor = scale * 2, mode="bilinear", align_corners=False) flow = tmp[:, :4] * scale * 2 mask = tmp[:, 4:5] return flow, mask翻译代码

这段代码是一个神经网络模型的前向传播函数。它接受三个输入参数：x，flow和scale。根据scale的值是否等于1，对输入x进行插值操作，将其缩放到1/scale的尺寸。如果flow不为None，则对其进行同样的插值操作，并将其...

分析这个代码class OhemCrossEntropy(nn.Module): def init(self, ignore_label=-1, thres=0.7, min_kept=100000, weight=None): super(OhemCrossEntropy, self).init() self.thresh = thres self.min_kept = max(1, min_kept) self.ignore_label = ignore_label self.criterion = nn.CrossEntropyLoss( weight=weight, ignore_index=ignore_label, reduction='none' ) def _ce_forward(self, score, target): ph, pw = score.size(2), score.size(3) h, w = target.size(1), target.size(2) if ph != h or pw != w: score = F.interpolate(input=score, size=( h, w), mode='bilinear', align_corners=config.MODEL.ALIGN_CORNERS) loss = self.criterion(score, target) return loss def _ohem_forward(self, score, target, **kwargs): ph, pw = score.size(2), score.size(3) h, w = target.size(1), target.size(2) if ph != h or pw != w: score = F.interpolate(input=score, size=( h, w), mode='bilinear', align_corners=config.MODEL.ALIGN_CORNERS) pred = F.softmax(score, dim=1) pixel_losses = self.criterion(score, target).contiguous().view(-1) mask = target.contiguous().view(-1) != self.ignore_label tmp_target = target.clone() tmp_target[tmp_target == self.ignore_label] = 0 pred = pred.gather(1, tmp_target.unsqueeze(1)) pred, ind = pred.contiguous().view(-1,)[mask].contiguous().sort() min_value = pred[min(self.min_kept, pred.numel() - 1)] threshold = max(min_value, self.thresh) pixel_losses = pixel_losses[mask][ind] pixel_losses = pixel_losses[pred < threshold] return pixel_losses.mean() def forward(self, score, target): if config.MODEL.NUM_OUTPUTS == 1: score = [score] weights = config.LOSS.BALANCE_WEIGHTS assert len(weights) == len(score) functions = [self._ce_forward] * \ (len(weights) - 1) + [self._ohem_forward] return sum([ w * func(x, target) for (w, x, func) in zip(weights, score, functions) ])

这是一个实现了OHEM(Online Hard Example Mining)的交叉熵损失函数，用于解决深度学习中存在难样本或噪声样本导致训练效果不好的问题。其中，thresh表示像素的softmax预测概率阈值，小于该阈值的像素被认为是难样本...

class DnCNN(nn.Module): def init(self, channels, num_of_layers=17): super(DnCNN, self).init() kernel_size = 3 padding = 1 features = 64 layers = [] layers.append(nn.Conv2d(in_channels=channels, out_channels=features, kernel_size=kernel_size, padding=padding, bias=False)) layers.append(nn.ReLU(inplace=True)) for _ in range(num_of_layers-2): layers.append(nn.Conv2d(in_channels=features, out_channels=features, kernel_size=kernel_size, padding=padding, bias=False)) layers.append(nn.BatchNorm2d(features)) layers.append(nn.ReLU(inplace=True)) layers.append(nn.Conv2d(in_channels=features, out_channels=channels, kernel_size=kernel_size, padding=padding, bias=False)) self.dncnn = nn.Sequential(*layers) def forward(self, x): out = self.dncnn(x) return out怎么改为训练集输出[16,3,50,50]，评估集输出[1,3,256,256]

layers.append(nn.Conv2d(in_channels=channels, out_channels=features, kernel_size=kernel_size, padding=padding, bias=False)) layers.append(nn.ReLU(inplace=True)) for _ in range(num_of_layers-2): ...

def forward(self, x, state=None, flow=None, mode='bilinear'): # pylint: disable=unused-argument, arguments-differ # Check size assert len(x.size()) == 5, 'Input tensor must be BxTxCxHxW.' b, timesteps, c, h, w = x.size() assert c == self.input_size, f'feature sizes must match, got input {c} for layer with size {self.input_size}' # recurrent layers rnn_output = [] rnn_state = torch.zeros(b, self.hidden_size, h, w, device=x.device) if state is None else state for t in range(timesteps): x_t = x[:, t] if flow is not None: rnn_state = warp_features(rnn_state, flow[:, t], mode=mode) # propagate rnn state rnn_state = self.gru_cell(x_t, rnn_state) rnn_output.append(rnn_state) # reshape rnn output to batch tensor return torch.stack(rnn_output, dim=1)这段代码的计算过程

这段代码实现了一个带有 GRU 循环神经网络的前向传播过程。输入张量 x 的维度为 BxTxCxHxW，其中 B 是批大小，T 是时间步数，C 是通道数，H 和 W 分别是张量的高度和宽度。该函数首先会检查输入张量的维度是否正确。...

def Focal_Loss(inputs, target, cls_weights, num_classes=21, alpha=0.5, gamma=2): n, c, h, w = inputs.size() nt, ht, wt = target.size() if h != ht and w != wt: inputs = F.interpolate(inputs, size=(ht, wt), mode="bilinear", align_corners=True) temp_inputs = inputs.transpose(1, 2).transpose(2, 3).contiguous().view(-1, c) temp_target = target.view(-1) logpt = -nn.CrossEntropyLoss(weight=cls_weights, ignore_index=num_classes, reduction='none')(temp_inputs, temp_target) pt = torch.exp(logpt) if alpha is not None: logpt *= alpha loss = -((1 - pt) ** gamma) * logpt loss = loss.mean() return loss 是什么意思

- inputs：模型的输出，是一个大小为 (n, c, h, w) 的张量，其中 n 表示 batch size，c 表示类别数，h 和 w 表示输入图片的高和宽。 - target：真实标签，是一个大小为 (n, h, w) 的张量。 - cls_weights：各个类别...

详细分析一下这个函数def _ohem_forward(self, score, target, **kwargs): ph, pw = score.size(2), score.size(3) h, w = target.size(1), target.size(2) if ph != h or pw != w: score = F.interpolate(input=score, size=( h, w), mode='bilinear', align_corners=config.MODEL.ALIGN_CORNERS) pred = F.softmax(score, dim=1) pixel_losses = self.criterion(score, target).contiguous().view(-1) mask = target.contiguous().view(-1) != self.ignore_label tmp_target = target.clone() tmp_target[tmp_target == self.ignore_label] = 0 pred = pred.gather(1, tmp_target.unsqueeze(1)) pred, ind = pred.contiguous().view(-1,)[mask].contiguous().sort() min_value = pred[min(self.min_kept, pred.numel() - 1)] threshold = max(min_value, self.thresh) pixel_losses = pixel_losses[mask][ind] pixel_losses = pixel_losses[pred < threshold] return pixel_losses.mean()

这段代码是一个用于计算像素级别损失函数的函数。它使用了一种叫做OHEM(Online Hard Example Mining)的方法来选择难样本进行训练，减少了训练中易样本的影响。具体来说，它先将score和target的大小调整为一样，然后...

clear all; % TODO: Edit this to point to the folder your caffe mex file is in. % path_to_matcaffe = '/data/jkrause/cs231b/caffe-rc2/matlab/caffe'; path_to_matcaffe = 'C:/Users/DELL/Downloads/caffe-master/windows'; addpath(path_to_matcaffe) % Load up the image im = imread('peppers.png'); % Get some random image regions (format of each row is [x1 y1 x2 y2]) % Note: If you want to change the number of regions you extract features from, % then you need to change the first input_dim in cnn_deploy.prototxt. regions = [ 1 1 100 100; 100 50 400 250; 1 1 512 284; 200 200 230 220 100 100 300 200]; % Convert image from RGB to BGR and single, which caffe requires. im = single(im(:,:,[3 2 1])); % Get the image mean and crop it to the center mean_data = load('ilsvrc_2012_mean.mat'); image_mean = mean_data.image_mean; cnn_input_size = 227; % Input size to the cnn we trained. off = floor((size(image_mean,1) - cnn_input_size)/2)+1; image_mean = image_mean(off:off+cnn_input_size-1, off:off+cnn_input_size-1, :); % Extract each region ims = zeros(cnn_input_size, cnn_input_size, 3, size(regions, 1), 'single'); for i = 1:size(regions, 1) r = regions(i,:); reg = im(r(2):r(4), r(1):r(3), :); % Resize to input CNN size and subtract mean reg = imresize(reg, [cnn_input_size, cnn_input_size], 'bilinear', 'antialiasing', false); reg = reg - image_mean; % Swap dims 1 and 2 to work with caffe ims(:,:,:,i) = permute(reg, [2 1 3]); end % Initialize caffe with our network. % -cnn_deploy.prototxt gives the structure of the network we're using for % extracting features and is how we specify we want fc6 features. % -cnn512.caffemodel is the binary network containing all the learned weights. % -'test' indicates that we're only going to be extracting features and not % training anything init_key = caffe('init', 'cnn_deploy.prototxt', 'cnn512.caffemodel', 'test'); caffe('set_device', 0); % Specify which gpu we want to use. In this case, let's use the first gpu. caffe('set_mode_gpu'); %caffe('set_mode_cpu'); % Use if you want to use a cpu for whatever reason % Run the CNN f = caffe('forward', {ims}); % Convert the features to (num. dims) x (num. regions) feat = single(reshape(f{1}(:), [], size(ims, 4)));

这段代码的作用是使用已经训练好的CNN模型提取图片中指定区域的特征。首先，加载一张图片，然后选取几个随机的区域，并将每个区域缩放到CNN要求的输入尺寸。然后，使用已经训练好的CNN模型对这些区域进行特征提取，...

import numpy as np from numpy import int64 def bilinear_interp_vectorized(a: np.ndarray, b: np.ndarray) -> np.ndarray: """ This is the vectorized implementation of bilinear interpolation. - a is a ND array with shape [N, H1, W1, C], dtype = int64 - b is a ND array with shape [N, H2, W2, 2], dtype = float64 - return a ND array with shape [N, H2, W2, C], dtype = int64 """ # Get axis size from ndarray shape N, H1, W1, C = a.shape N1, H2, W2, _ = b.shape assert N == N1 # Calculate the indices for interpolation x_idx = np.floor(b[:, :, :, 0]).astype(int) y_idx = np.floor(b[:, :, :, 1]).astype(int) x = b[:, :, :, 0] - x_idx y = b[:, :, :, 1] - y_idx # Calculate the interpolation values res = a[:, x_idx, y_idx] * (1 - x) * (1 - y) + a[:, x_idx + 1, y_idx] * x * (1 - y) + a[:, x_idx, y_idx + 1] * (1 - x) * y + a[:, x_idx + 1, y_idx + 1] * x * y return res.astype(int64) 在res = a[:, x_idx, y_idx] * (1 - x) * (1 - y) + a[:, x_idx + 1, y_idx] * x * (1 - y) + a[:, x_idx, y_idx + 1] * (1 - x) * y + a[:, x_idx + 1, y_idx + 1] * x * y发生错误operands could not be broadcast together with shapes (8,8,720,1280,4) (8,720,1280)

这个错误是由于形状不匹配导致的。...x_idx = np.expand_dims(x_idx, axis=-1) y_idx = np.expand_dims(y_idx, axis=-1) 然后再重新计算 res。希望这可以解决你的问题！如果还有其他问题，请随时提问。

mport requests from bs4 import BeautifulSoup import csv def get_top250_movies(): url = 'https://movie.douban.com/top250' headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3'} movie_info_list = [] for i in range(0, 250, 25): params = {'start': str(i)} res = requests.get(url, headers=headers, params=params) soup = BeautifulSoup(res.text, 'html.parser') movie_list = soup.find_all('div', class_='info') for movie in movie_list: title = movie.find('span', class_='title').text info = movie.find('div', class_='bd').p.text.strip().split('\n') director = info[0][4:] actors = info[1][3:] year = info[1][-5:-1] rating = movie.find('span', class_='rating_num').text comment_num = movie.find('div', class_='star').find_all('span')[3].text[:-3] movie_info_list.append([title, director, actors, year, rating, comment_num]) return movie_info_list def save_to_csv(movie_info_list): with open('movie_info.csv', 'w', newline='', encoding='utf-8-sig') as f: writer = csv.writer(f) writer.writerow(['电影名称', '导演', '演员', '上映年份', '评分', '评论数']) for movie_info in movie_info_list: writer.writerow(movie_info) if name == 'main': movie_info_list = get_top250_movies() save_to_csv(movie_info_list) print('电影信息保存成功！') 在此代码的基础上对爬取的电影类型进行生成按照评分生成词云

plt.imshow(wordcloud, interpolation='bilinear') plt.axis('off') plt.show() 这段代码将所有电影类型存储在一个列表中，然后使用WordCloud生成词云图并显示。可以根据需要调整词云的参数，例如背景颜色、...

def postprocess_tens(tens_orig_l, out_ab, mode='bilinear'): # tens_orig_l 1 x 1 x H_orig x W_orig # out_ab 1 x 2 x H x W HW_orig = tens_orig_l.shape[2:] HW = out_ab.shape[2:] # call resize function if needed if(HW_orig[0]!=HW[0] or HW_orig[1]!=HW[1]): out_ab_orig = F.interpolate(out_ab, size=HW_orig, mode='bilinear') else: out_ab_orig = out_ab out_lab_orig = torch.cat((tens_orig_l, out_ab_orig), dim=1) return color.lab2rgb(out_lab_orig.data.cpu().numpy()[0,...].transpose((1,2,0)))

输入参数 out_ab 表示预测得到的颜色信息，是一个形状为 (1, 2, H, W) 的张量，其中第一个维度表示有两个通道，分别是 a 和 b 通道；HW 表示 out_ab 的高和宽。函数首先判断 out_ab 是否需要进行大小...

if self.merging == 'attention': queries = [F.interpolate(q(feat), size=(H, W), mode='bilinear', align_corners=True) for q, feat in zip(self.queries, multilevel_features)] queries = torch.cat(queries, dim=1) queries = queries.reshape(B, -1, self.output_channels, H, W) attn = F.softmax(queries, dim=1) predictions = predictions.reshape(B, -1, self.output_channels, H, W) combined_prediction = torch.sum(attn * predictions, dim=1) elif self.merging == 'learned': combined_prediction = self.merge_predictions(predictions) else: combined_prediction = predictions_list[-1]是什么意思

接下来，将predictions和attn分别进行形状变换，将其维度调整为(B, -1, self.output_channels, H, W)。最后，将注意力权重queries与预测结果predictions按通道进行加权求和，得到最终的融合预测结果combined_...

import csv chinese=[] number=[] with open('./数据1.csv', 'r', encoding='gbk') as file: reader = csv.reader(file) for row in reader: # print(row) # 第一竖列中文 chinese.append(row[0][0:3]) # 第二竖列去掉最后一个符号万 number.append(row[1][:-1]) print(chinese[1:]) print(number[1:]) #显示出来排名前20的品牌和价格 import matplotlib.pyplot as plt from wordcloud import WordCloud import matplotlib sorted_list = sorted(number[1:], reverse=True) top_10 = sorted_list[:20] top_10_indices = [number.index(num) for num in top_10[:20]] print(top_10) print(top_10_indices) result = [chinese[i] for i in top_10_indices] print(result) # 画折线图 font = {'family': 'SimHei', "size": 24} matplotlib.rc('font', **font) plt.plot(result, top_10) plt.tick_params(axis='x', labelsize=8) plt.tick_params(axis='y', labelsize=8) plt.show() # 画柱状图 plt.bar(result, top_10,width=0.5) plt.tick_params(axis='x', labelsize=8) plt.tick_params(axis='y', labelsize=8) plt.show() def generate_wordcloud(text): # 生成词云对象 wc = WordCloud( font_path='C:/Windows/Fonts/simhei.ttf', # 设置字体 background_color='white', # 设置背景颜色 max_words=200, # 设置最大显示的单词数量 max_font_size=100 # 设置最大的字体大小 ) # 生成词云 wc.generate(text) # 显示词云 plt.imshow(wc, interpolation='bilinear') plt.axis('off') plt.show() # 将列表转换为字符串 text = ' '.join(result) # 生成词云 generate_wordcloud(text) #价格热力图 import plotly.graph_objs as go from plotly.subplots import make_subplots # 创建子图 fig = make_subplots(rows=1, cols=1) # 添加热力图 fig.add_trace(go.Heatmap(z=[top_10], x=result, y=['']), row=1, col=1) # 更新布局 fig.update_layout(title='价格热力图', xaxis_title='价格', yaxis_title='') # 保存为html文件 fig.write_html('./热力图.html')这里的三个错误怎么改正

top_10_indices = [number.index(num) for num in top_10[:20]] result = [chinese[i] for i in top_10_indices] # 画折线图 font = {'family': 'SimHei', "size": 24} plt.rc('font', **font) plt.plot(result, ...

for (img1_file, img2_file) in tqdm(img_pairs): img1 = np.array(imread(img1_file)) img2 = np.array(imread(img2_file)) if args.arch == 'StrainNet_l' and img1.ndim == 3: img1 = img1[:,:,1] img2 = img2[:,:,1] img1 = img1/255 img2 = img2/255 if img1.ndim == 2: img1 = img1[np.newaxis, ...] img2 = img2[np.newaxis, ...] img1 = img1[np.newaxis, ...] img2 = img2[np.newaxis, ...] img1 = torch.from_numpy(img1).float() img2 = torch.from_numpy(img2).float() if args.arch == 'StrainNet_h' or args.arch == 'StrainNet_f': img1 = torch.cat([img1,img1,img1],1) img2 = torch.cat([img2,img2,img2],1) input_var = torch.cat([img1,img2],1) elif img1.ndim == 3: img1 = np.transpose(img1, (2, 0, 1)) img2 = np.transpose(img2, (2, 0, 1)) img1 = torch.from_numpy(img1).float() img2 = torch.from_numpy(img2).float() input_var = torch.cat([img1, img2]).unsqueeze(0) # compute output input_var = input_var.to(device) output = model(input_var) if args.arch == 'StrainNet_h' or args.arch == 'StrainNet_l': output = torch.nn.functional.interpolate(input=output, scale_factor=2, mode='bilinear') output_to_write = output.data.cpu() output_to_write = output_to_write.numpy() disp_x = output_to_write[0,0,:,:] disp_x = - disp_x * args.div_flow + 1 disp_y = output_to_write[0,1,:,:] disp_y = - disp_y * args.div_flow + 1 filenamex = save_path/'{}{}'.format(img1_file.stem[:-1], '_disp_x') filenamey = save_path/'{}{}'.format(img1_file.stem[:-1], '_disp_y') np.savetxt(filenamex + '.csv', disp_x,delimiter=',') np.savetxt(filenamey + '.csv', disp_y,delimiter=',')

首先，代码使用imread函数读取两个图像文件(img1_file和img2_file)，然后将其转换为numpy数组(img1和img2)。接下来，根据参数args.arch的值和图像的维度，对图像进行一些预处理操作。如果args.arch等于'StrainNet_...

CameraParameters:= ['area_scan_division',0.00640046,10205.5,1.91206e-06,1.9e-06,1503.65,1915.07,3024,4032] CameraPose := [0.000284489,0.00953188,0.226499,10.3425,0.0209458,0.458095,0] CamParVirtualFixed:=CameraParameters dev_close_window () dev_open_window (0, 0, 360, 270, 'black', WindowHandle) picture_number := 50 for Index := 1 to picture_number by 1 read_image (Image, 'C:/Users/Lenovo/Desktop/视觉课作业/大作业/卡片正面照片/' + str(Index, '0.4f') + '.JPG') gen_radial_distortion_map(MapFixed,CameraParameters,CamParVirtualFixed,'bilinear') map_image(Image,MapFixed,ImageRectifiedFixed) write_image (ImageRectifiedFixed, 'png', 0, 'C:/Users/Lenovo/Desktop/视觉课作业/大作业/正面畸变校正后/' + str(Index, '0.4f') + '.JPG') endfor

for Index := 1 to picture_number by 1 read_image (Image, 'C:/Users/Lenovo/Desktop/视觉课作业/大作业/卡片正面照片/' + str(Index, '0.4f') + '.JPG') gen_radial_distortion_map(MapFixed,CameraParameters,...

input_var = input_var.to(device) output = model(input_var) if args.arch == 'StrainNet_h' or args.arch == 'StrainNet_l': output = torch.nn.functional.interpolate(input=output, scale_factor=2, mode='bilinear') output_to_write = output.data.cpu() output_to_write = output_to_write.numpy() disp_x = output_to_write[0,0,:,:] disp_x = - disp_x * args.div_flow + 1 disp_y = output_to_write[0,1,:,:] disp_y = - disp_y * args.div_flow + 1 filenamex = save_path/'{}{}'.format(img1_file.stem[:-1], '_disp_x') filenamey = save_path/'{}{}'.format(img1_file.stem[:-1], '_disp_y') np.savetxt(filenamex + '.csv', disp_x,delimiter=',') np.savetxt(filenamey + '.csv', disp_y,delimiter=',')

然后，使用模型对input_var进行前向传播，得到输出结果output。接下来，根据args.arch的值判断模型的架构，如果是StrainNet_h或者StrainNet_l，则对输出结果进行双线性插值，使用torch.nn.functional....

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